It was reported that there was a blood leakage due to crack on connector.Hls cannula had been used for 7 days on patient.No harm to any person has been reported.Customer could not stop leakage and changed the product.The product was investigated in getinge laboratory on 2022-03-10.Visual control was performed and some residues of adhesive tape and blood were found in the area of the connector.Air pressure filled test under water was performed.At a pressure of around 0.3 bar a leakage was detected at the luer of the cannula due to crack.Based on the test results, failure could be confirmed.The production history record (dhr) of the affected be-hls cannula 21f al with lot# 3000147833 was reviewed on 2022-03-21.According to the dhr results, the product be-hls cannula 21f al passed the defined manufacturing and final release specifications.It was reported that the sample was cleaned with alkazym by customer for decontamination.The sample investigation shows that there were a lot of damages on the connector.However, there is no information that alkazym could cause such damages on polycarbonate (the material of connector).Additionally, it was stated within this complaint that hls cannula was used for 7 days on patient with an ecmo set except maquet.According to instruction for use (ifu) of hls cannula: "in the event that the coated hls cannulae are not used in combination with the sets pls set, pls set plus or hls set advanced from maquet cardiopulmonary, the maximum duration of use for the hls cannulae is 6 hours."however, as initially stated the hls cannula was used for 7 days with an ecmo set from different brand.The evaluation of getinge research & development, contrarily, cannot confirm that cause of the crack is linked to the use of the hls cannula with a different ecmo set for longer than stated in the ifu.Based on the received information and investigation results, the reported failure could be linked to the risk assessment and control hls cannulae (dms#1992719, v04) and the most probable cause could be: -user error: lack of attention on device handling; -user error: lack of information on tube connection; -user error: mechanical damage of cannula during fixation due to lack of attention / lack of information.The getinge sales and service unit will be informed about the investigation results to communicate to the customer, and to inform the customer about the ifu information on hls cannula maximum duration of use.The occurrence rate was calculated for the reported failure and product and it was determined that this is not a systemic issue.Therefore, no remedial action is required.The occurrence rate related to the reported issue is currently being monitored as part of maquet cardiopulmonary¿s trending program and additional investigations or corrections will be implemented in case of adverse trending.
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